Tubolit Self-Seal pipe insulation is an easy-to-install and economical thermal solution from Armacell, the makers of Armaflex® and the world's leading supplier of tubular polyethylene insulation. It reduces heat loss on hot-water plumbing and heat gain on cold-water plumbing systems.

Tubolit pipe insulation is a pre-slit, 25/50-rated, dark gray, closed-cell polyolefin/polyethylene thermal insulation. Its easy-to-use pressure-sensitive adhesive closure helps facilitate installation. It is particularly effective for cost-efficient thermal insulation of domestic heating and plumbing lines. It is expanded without the use of CFC's, HFC's or HCFC's.